Thiết bị đo âm thanh độ ồn Extech 407732-KIT gồm Extech 407732, Extech 407722

• High accuracy meets ANSI and IEC 651 Type 2 standards
• High and Low measuring ranges: 35 to 100dB (low) and 65 to 130dB (high)
• Data Hold and Max Hold functions
• Backlit LCD display to view in dimly lit area
• Includes 407722 - 1kHz 94dB sound calibrator (±5% accuracy)

Phụ kiện kèm theo thiết bị Extech 407732-KIT bao gồm:

• 407732 Sound Meter
• microphone wind screen
• calibration screw driver
• 9V battery
• plus 407722 Sound Calibrator
• 9V battery